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When to plant Spinach in Caldwell County, KY

Aim to plant Spinach in Caldwell County on or after March 23; the window stays open through April 13. Caldwell County's 208-day frost-free season gives you enough for a full main crop and a short fall succession. A second sowing from August 22 to September 5 extends the harvest into fall.

When to Plant Spinach in Caldwell County, KY

Spinach

Spinach is a nutrient-packed cool-season green that grows quickly in spring and fall. It is rich in iron, vitamins, and antioxidants and excellent raw or cooked.

Caldwell County, Kentucky is in USDA Zone 7a. The average last spring frost is April 6 and the first fall frost is October 31, giving you a growing season of approximately 208 days.

At an elevation of 1,554 feet, Caldwell County receives approximately 40.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Spinach during the growing season.

Caldwell County, KY (Zone 7a) Long season
208 days
Last Spring Frost April 6
208 growing days
First Fall Frost October 31

Caldwell County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Spinach Planting Timeline — Caldwell County, KY

Spinach Planting Calendar

Activity When Date Range
Start Indoors March 2 Mar 2 – Mar 16
Transplant Outdoors April 6 Apr 6 – Apr 20
Direct Sow March 23 Mar 23 – Apr 13
Harvest May 11 May 11 – Jul 13
Fall Sowing August 22 Aug 22 – Sep 5

Plant 0.5" deep · 6" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August Fall Sowing
September Fall Sowing
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

35–50 days

🧪 Soil pH

Needs 6.5–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

208 days in Caldwell County

Growing Tips for Caldwell County

Direct sow as soon as soil can be worked in spring. Plant in partial shade for summer crops to delay bolting. Succession plant every 2 weeks for continuous harvest.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Spinach Seeds
Life Cycle Annual
Pollination Wind Pollinated
How to Collect Let plants bolt. Harvest seed stalks when seeds turn tan.
Storage Store airtight; viable 5 years at 35°F, under 45% humidity.

Wind pollinated — isolate 1/2 mile for purity. Easy to let bolt in heat.

Frequently Asked Questions

When should I plant Spinach in Caldwell County, KY?

Caldwell County is in Zone 7a with an average last frost of April 6. Plan your Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Caldwell County, KY?

Caldwell County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 6 and first fall frost is October 31.

When should I plant Spinach in Caldwell County, KY?

In Caldwell County, KY, plant Spinach after the last frost (around April 6) and before the first frost (around October 31). Best results when soil holds above 50°F.

What growing zone is Caldwell County, KY for Spinach?

Caldwell County sits in USDA Zone 7a. Spinach grows reliably in zones 2a through 10b, so it's a good fit here.

Can Spinach grow in Caldwell County's climate?

Yes — Spinach grows well in Caldwell County's temperate climate. Caldwell County averages a 208-day frost-free season, with last frost around April 6 and first frost around October 31.

🌱

Your Caldwell County Garden Planner — Free

A 22-page printable planner built for Caldwell County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Caldwell County, KY. Local conditions may vary. Last updated: June 2026.

Sources & credits

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